“Notice and choice” is the predominant approach for data privacy protection today. There is
considerable user-centered research on providing effective privacy notices but not enough …

Standardized privacy labels that succinctly summarize those data practices that people are
most commonly concerned about offer the promise of providing users with more effective …

In the last decades, research has shown that both technical solutions and user perceptions
are important to improve security and privacy in the digital realm. The field of 'usable …

Tech companies that rely on ads for business argue that users have control over their data
via ad privacy settings. However, these ad settings are often hidden. This work aims to …

Most smart home devices have multiple sensors, such as cameras and microphones;
however, most cannot be controlled individually. Tangible privacy mechanisms provide …

Recent high-profile antitrust cases and policy proposals have put a spotlight on the
relationship between firms' access to big data and sustained competitive advantages in …

Privacy choice interfaces commonly take the form of cookie consent banners, advertising
choices, sharing settings, and prompts to enable location and other system services …

In December, 2020, Apple began requiring developers to disclose their data collection and
use practices to generate a “privacy label” for their application. The use of mobile application …

The California Consumer Privacy Act and other privacy laws give people a right to opt out of
the sale and sharing of personal information. In combination with privacy preference signals …

Users are often unaware of the information that applications collect and are surprised by
unexpected data collection and sharing practices. With numerous third-party applications on …